99617976 has 24 divisors (see below), whose sum is σ = 269798880. Its totient is φ = 33205968.

The previous prime is 99617927. The next prime is 99617983. The reversal of 99617976 is 67971699.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×99617976² = 19847482284673152, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 691720 + ... + 691863.

It is an arithmetic number, because the mean of its divisors is an integer number (11241620).

Almost surely, 2^99617976 is an apocalyptic number.

It is an amenable number.

99617976 is an abundant number, since it is smaller than the sum of its proper divisors (170180904).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99617976 is a wasteful number, since it uses less digits than its factorization.

99617976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1383595 (or 1383588 counting only the distinct ones).

The product of its digits is 1285956, while the sum is 54.

The square root of 99617976 is about 9980.8805222786. The cubic root of 99617976 is about 463.5670629774.

The spelling of 99617976 in words is "ninety-nine million, six hundred seventeen thousand, nine hundred seventy-six".